Abstract: A condensation compound of a fluorinated cyclopentane ring and an aromatic ring, which is useful, for example, for electronic materials, and a process for producing the same are provided. For instance, according to Scheme 1 below, a compound (68) containing a condensed structure formed of a hexafluorocyclopentane ring and an aromatic ring is synthesized. The aromatic ring is not limited to a thiophene ring but can be any ring and any substituent can be used. Thus a compound containing a condensed ring structure formed of a hexafluorocyclopentane ring and an aromatic ring, particularly, for instance, a thiophene ring, which was impossible to produce conventionally, can be produced easily with high yield. The compound of the present invention is particularly suitable to be applied to, for example, electronic materials or semiconductors.

Abstract: A condensation compound of a fluorinated cyclopentane ring and an aromatic ring, which is useful, for example, for electronic materials, and a process for producing the same are provided. For instance, according to Scheme 1 below, a compound (68) containing a condensed structure formed of a hexafluorocyclopentane ring and an aromatic ring is synthesized. The aromatic ring is not limited to a thiophene ring but can be any ring and any substituent can be used. Thus a compound containing a condensed ring structure formed of a hexafluorocyclopentane ring and an aromatic ring, particularly, for instance, a thiophene ring, which was impossible to produce conventionally, can be produced easily with high yield. The compound of the present invention is particularly suitable to be applied to, for example, electronic materials or semiconductors.

Abstract: A condensation compound of a fluorinated cyclopentane ring and an aromatic ring, which is useful, for example, for electronic materials, and a process for producing the same are provided. For instance, according to Scheme 1 below, a compound (68) containing a condensed structure formed of a hexafluorocyclopentane ring and an aromatic ring is synthesized. The aromatic ring is not limited to a thiophene ring but can be any ring and any substituent can be used. Thus a compound containing a condensed ring structure formed of a hexafluorocyclopentane ring and an aromatic ring, particularly, for instance, a thiophene ring, which was impossible to produce conventionally, can be produced easily with high yield. The compound of the present invention is particularly suitable to be applied to, for example, electronic materials or semiconductors.

Abstract: A polymer comprising a repeating unit represented by the following general formula (I). (In the formula, Ar1 represents a divalent aromatic hydrocarbon or divalent heterocyclic group, X1, Y1, X2 and Y2 each independently represent a fluorine atom or alkylthio group, and X1 and Y1 and X2 and Y2 may together form a carbonyl or thiocarbonyl group with their bonding carbon atom.

Abstract: A branched compound including a core part, at least one side chain part bonded to the core part, and an end, wherein one repeating unit or two or more repeating units expressed by the following formula (1) repeat in the or each side chain part, with the proviso that in a repeating unit bonded to the core part, T is bonded to the core part, and in two or more contiguous repeating units, each L is bonded to the T, each L is formed of a plurality of conjugation-forming units linked together; each L includes at least one thienylene unit as the conjugation-forming unit; and at least two of the groups existing at the ends of Ls (the ends of the L in sides which are not bonded to T) are acceptor groups. (In the formula, each L represents a divalent organic group which may have a substituent and the T represents a trivalent organic group which may have a substituent.

Abstract: A polymer according to the present invention comprises a repeating structure represented by the following formula (1), wherein L and X each independently have a configuration in which are linked a plurality of conjugation forming structures each conjugated by itself, and each have at least one thienylene structure as the conjugation forming structure: wherein each X represents a monovalent organic group that may have a substituent, each L represents a divalent organic group that may have a substituent, and each T represents a trivalent organic group that may have a substituent, with the proviso that in the formula, the X's represent the same group, the L's represent the same group, and the T's represent the same group.

Abstract: According to the first invention group there are provided conjugated compounds having two or more groups represented by the following formula (I) or the following formula (II): wherein one of Ar and Ar? represents a C6 or greater divalent aromatic hydrocarbon group and the other represents a C4 or greater divalent heterocyclic group, wherein the groups each may have a substituent, with the proviso that the groups as a whole contain no fluorine atoms, R1 and R2 each independently represent a hydrogen atom, a halogen atom or a monovalent group, and Ar? represents a trivalent aromatic hydrocarbon or trivalent heterocyclic group; when the conjugated compound has two or more groups represented by formula (I), the portion excluding these groups contain no fluorine atoms.

Abstract: A fluorine-containing polycyclic aromatic compound represented by the following formula (I) is provided. According to present invention, a novel compound capable of being utilized as an organic n-type semiconductor having an excellent electron transport property is provided, wherein in formula (I), Ar1 and Ar2 each independently represent an aromatic hydrocarbon group having at least six carbon atoms or a heterocyclic group having at least four carbon atoms; R1, R2, R3 and R4 each independently represent a hydrogen atom, a halogen atom, or a monovalent group; R5 and R6 each independently represent a hydrogen atom or a monovalent organic group that may be substituted with a substituent; s1 and t1 each independently represent an integer of at least 2; with the proviso that at least one of R5 and R6 is the abovementioned monovalent organic group where at least one of all the hydrogen atoms of the monovalent organic group including the substituent is substituted with a fluorine atom.

Abstract: A polymer having a repeating unit represented by the following general formula (I) and a ferrocene-based reduction potential of ?1.5 to ?0.5 V as measured by a cyclic voltammetry method wherein Ar1 represents a divalent aromatic hydrocarbon group or a divalent heterocyclic group, and these groups may be substituted by a substituent.

Abstract: Fluorinated compounds of the invention are represented by the following general formula (I). [In formula (I), Ar1 and Ar2 each independently represent a C10 or greater aromatic hydrocarbon or C4 or greater heterocyclic group, R1 represents hydrogen or a monovalent substituent, R2 and R3 each independently represent a monovalent substituent, and s1 and t1 each independently represent an integer of 0 or greater. When s1 is 2 or greater, the multiple R2 groups may be the same or different, and when t1 is 2 or greater the multiple R3 groups may be the same or different.

Abstract: A polymer comprising a repeating unit represented by the following general formula (I). (In the formula, Ar1 represents a divalent aromatic hydrocarbon or divalent heterocyclic group, X1, Y1, X2 and Y2 each independently represent a fluorine atom or alkylthio group, and X1 and Y1 and X2 and Y2 may together form a carbonyl or thiocarbonyl group with their bonding carbon atom.

Abstract: The present invention provide a covered heteroaromatic ring compound whose hetero ring effectively is covered and that is suitable for electronic materials and the like. For example, following Scheme 1 below, first, a thiophene monomer unit (1T) is synthesized, and then oligomers (2T) to (16T) are synthesized by repeating oxidative polymerization. The hetero ring is not limited to thiophene, and may be furan or pyrrole, for example. Also, substituents on silicon are not limited to those in Scheme 1, and any substituents may be used. The degree of polymerization and the synthesis method are not limited to those in Scheme 1. In the compound of the present invention, ? electronic conjugation effectively is kept as shown in the ultraviolet and visible absorption spectrum in FIG. 1, for example.

Abstract: A condensation compound of a fluorinated cyclopentane ring and an aromatic ring, which is useful, for example, for electronic materials, and a process for producing the same are provided. For instance, according to Scheme 1 below, a compound (68) containing a condensed structure formed of a hexafluorocyclopentane ring and an aromatic ring is synthesized. The aromatic ring is not limited to a thiophene ring but can be any ring and any substituent can be used. Thus a compound containing a condensed ring structure formed of a hexafluorocyclopentane ring and an aromatic ring, particularly, for instance, a thiophene ring, which was impossible to produce conventionally, can be produced easily with high yield. The compound of the present invention is particularly suitable to be applied to, for example, electronic materials or semiconductors.

Abstract: To provide an electromagnetic valve where an end cover can easily be fitted into a valve hole, and a valve body can be small-sized.

Abstract: To make it possible to easily produce a solenoid for a solenoid valve at low cost by reducing the number of parts and assembling steps. In a solenoid for a solenoid valve, a pole face is formed on an end wall portion of a magnetic case which covers a bobbin around which a coil is wound, thereby allowing the end wall portion to function as a stationary core, an end surface of a moving core inserted in center holes of the bobbin and the magnetic plate is set opposed to the pole face, and the moving core is adsorbed by the end wall portion by energizing the coil.

Abstract: To provide an electromagnetic valve where constitution and assembling of a current conduction system to a solenoid portion is simplified to improve assembling easiness and an insulation performance of the current conduction system can easily be secured.

Abstract: An electromagnetic valve having a high coupling strength between a valve portion and a solenoid portion is secured at a low cost without large-sizing the solenoid portion. Recessed portions positioned on one end side of a valve body and having inner wall faces formed by inclining faces that incline from the one end side of the valve body to the other end side towards its depth are provided on a valve body side face positioned on one end side of the valve body to be opposed to each other. Cuttings for forming caulking pieces are positioned corresponding to the recessed portions on the side wall on an opening side of a magnetic case.

Abstract: A magnetic body case in a solenoid for an electromagnetic valve has a cylindrical skirt portion which surrounds a side face of a bobbin and a cap portion which covers one end face of the bobbin in an axial direction thereof, these skirt portion and cap portion are respectively formed individually, and the magnetic body case is assembled by coupling the cap portion to one end of the skirt portion in the axial direction.

Abstract: A solenoid for an electromagnetic valve is provided with a bobbin on which a coil has been wound, a movable iron core fitted into an iron core hole of the bobbin and a fixed magnetic pole member attracting the movable iron core, the movable iron core has a main body portion with an even section fitted into the iron core hole, and a flange portion with an even section formed on a portion extending from the iron core hole of the main body distal end, and the ring has a first portion which is positioned on a distal end side and which has a large diameter hole in which the flange portion is fitted and a second portion which is positioned on a proximal end side and which has a small diameter hole in which the main body portion is fitted.

Abstract: To provide an electromagnetic valve where an end cover can easily be fitted into a valve hole, and a valve body can be small-sized.